51101202747 has 16 divisors (see below), whose sum is σ = 78298717952. Its totient is φ = 29039355360.

The previous prime is 51101202671. The next prime is 51101202749. The reversal of 51101202747 is 74720210115.

It is not a de Polignac number, because 51101202747 - 2¹⁹ = 51100678459 is a prime.

It is a super-2 number, since 2×51101202747² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51101202749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6718273 + ... + 6725874.

It is an arithmetic number, because the mean of its divisors is an integer number (4893669872).

Almost surely, 2^51101202747 is an apocalyptic number.

51101202747 is a deficient number, since it is larger than the sum of its proper divisors (27197515205).

51101202747 is a wasteful number, since it uses less digits than its factorization.

51101202747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444338.

The product of its (nonzero) digits is 3920, while the sum is 30.

The spelling of 51101202747 in words is "fifty-one billion, one hundred one million, two hundred two thousand, seven hundred forty-seven".